1. [ verb ] bend or lay so that one part covers the other
Synonyms: fold turn_up

"fold up the newspaper" "turn up your collar"

Related terms: unfold change_surface crimp cross wrinkle pleat ruffle corrugate tuck collapse furrow tuck cuff folder fold
2. [ verb ] become folded or folded up
Synonyms: fold

"The bed folds in a jiffy"

Related terms: change rumple fold